RFR: 8252933: com.sun.tools.jdi.ObjectReferenceImpl#validateAssignment always requests referenceType

[Daniil Titov]

On Fri, 11 Sep 2020 04:00:35 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>> The change fixes the regression introduced by https://bugs.openjdk.java.net/browse/JDK-8241080.
>> 
>> Method validateAssignment() in com.sun.tools.jdi.ObjectReferenceImpl now always retrieves the reference type and that
>> requires one more JDWP packet if the value is not cached yet. Before https://bugs.openjdk.java.net/browse/JDK-8241080
>> this happened for arrays only.   Testing: tier1-tier3 tests passes.
>
> The changes look good to me. Can I ask how you noticed the extra unnecessary JDWP packet?

Thanks @plummercj for the review. The issue with an extra JDWP packet was reported in serviceability-dev mail list :
https://mail.openjdk.java.net/pipermail/serviceability-dev/2020-September/032960.html .

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PR: https://git.openjdk.java.net/jdk/pull/124